Netspend Holdings, Inc. (NTSP: Quote) jumped 30 percent to $16.00 based on the news that TSYS (TSS) has agreed to buy the company in an all cash deal valued at about $1.4 billion. NetSpend shareholders will receive $16.00 in cash for each share they hold. TSYS expects the deal to be accretive to GAAP earnings per share for the first 12 month period following closing, excluding one-time acquisition related fees and expenses.

Demand Media, Inc. (DMD: Quote) gained 14 percent to $8.95. The company announced its plan to explore separating its business into two independent, publicly-traded companies, a pure-play media and a domain services company.

Millennial Media Inc. (MM: Quote) plunged 26 percent to $10.60. The company swung to a profit in its fourth quarter. Revenue increased 67.8 percent, but was below analysts' estimate. Meanwhile, the company forecast first quarter and full year 2013 revenue below analysts' expectations.

Michael Kors Holdings Ltd. (KORS: Quote) fell more than 2 percent to $63.15. The company launched a secondary public offering of 25 million ordinary shares by certain selling shareholders.

U.S. electronics giant Apple Inc. (AAPL) regained the top spot in the world smartphone market from South Korea's Samsung Electronics Co Ltd. after a gap of three years, according to a report released Tuesday by market research firm Gartner, Inc. (IT).
Apple sold 74.832 million smartphones in the...